We are specifically interested in the following:
"the license agreement for each software component is located in the software component's source code and permits User to run, copy, modify, and redistribute (subject to certain obligations in some cases) the software component, in both source code and binary code forms."

Does anyone know of or where such a file would be for mySQL on our server?

If you paid for an enterprise version of MySQL, Dell should have provided a document with the license information, "serial number". The enterprise version is a different binary from the GPL version. MySQL is dual licensed, so it depends on what you bought from Dell.